docs: def get_top_pathologies(graph, n: Optional[int] = 15) -> List[Tuple[BaseEntity, int]]:
      """Get the top highest relationship-having edges in the graph by BEL.
  
      :param pybel.BELGraph graph: A BEL graph
      :param n: The number of top connected pathologies to return. If None, returns all nodes
      """
      return count_pathologies(graph).most_common(n)